C2 x (((C2 x C2 x C2 x C2) : C3) : C2)
r0 := (2,4)(5,6)(7,10)(8,12)(9,11);
r1 := (1,2)(3,7)(5,8)(6,9)(11,12);
r2 := (1,3)(2,5)(4,6)(7,11)(8,12)(9,10);
r3 := (2,6)(4,5)(7,9)(8,12)(10,11);
F := FreeGroup(4);
r0 := F.1;; r1 := F.2;; r2 := F.3;; r3 := F.4;;
G := F/[ r0^2, r3^2, r1^2, r2^2, (r0*r2)^2, (r3*r0)^2, (r0*r3*r2)^2, (r1*r0)^3, (r1*r0*r2)^3, r2*r1*r3*r2*r0*r1*r2*r1*r0*r2*r3*r1, r1*r3*r2*r0*r1*r3*r0*r1*r0*r2*r3*r1*r0*r3 ];;
type 0: 4 elements
type 1: 24 elements
type 2: 4 elements
type 3: 8 elements